OpenTechnical

OT-2026-000007885

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000007885) never changes.

Identity and time

Publication numberOT-2026-000007885 · never reused
Internal UUID01a0ae6a-908a-7c0c-9bbc-2c91c84406fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007885
StatusPUBLIC

Content hashes

Canonical text0fffff9eabdc060eac318292d7fe89f4908b670acba81d9acdf724d9782b52e8
Markdown8ad1b214180bb1c09dd8d3b6a6e52832ad127521ea8a870f8ec4b453a02733f6
PDF
Publication pagef3078169d1c678011f4b38b0bb63e377c9abca7991d176dd675c693bf319eb35
Manifest7ca3b736a233154ee5f87d1602786b75dea2ce7498dacca0072cf7311cfb2d84

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturepSa3KULMOmK8CpceHEvmNoANJx04oImTMAZvJoUtFaFl462XHVOTJLTLlbZHeCs8b+bFnvfncUbOlQAh4JJnDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:20.675347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007885
observed f3078169d1c678011f4b38b0bb63e377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.658443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007885/manifest.json
observed 7ca3b736a233154ee5f87d1602786b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.639410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007885/publication.md
observed 8ad1b214180bb1c09dd8d3b6a6e52832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.620168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007885/publication.txt
observed 0fffff9eabdc060eac318292d7fe89f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.368529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007885
observed f3078169d1c678011f4b38b0bb63e377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.350978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007885/manifest.json
observed 7ca3b736a233154ee5f87d1602786b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.332450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007885/publication.md
observed 8ad1b214180bb1c09dd8d3b6a6e52832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.312194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007885/publication.txt
observed 0fffff9eabdc060eac318292d7fe89f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.